eaf0cfb064302a0eec4cbf5d10f56b63d54c6e40f953bb8755a4c476f7e54b81

Analysis

max time kernel
119s
max time network
133s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
03/11/2023, 15:15

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General

Target

NEAS.21b205161000e14e04409b668273dd50.exe
Size

149KB
MD5

21b205161000e14e04409b668273dd50
SHA1

20f6a36569e214b20d202c5afd5bcb28b75455e8
SHA256

eaf0cfb064302a0eec4cbf5d10f56b63d54c6e40f953bb8755a4c476f7e54b81
SHA512

3adbf5f83e24dd8ecea6bf2a235fcc5c5b7e77e6b1538d4c5a7b7c4af727870ccdddd5441f1883fb242ed1deac73a95b032128552d2df3c0ab3c2cd05d379710
SSDEEP

3072:2CMiqJl3v1S4AsvdhxBz8bNk/AKItB/pL/s9hlSLUFWzfu:2CMzfM4vxBIO+XpDnUUz2

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Executes dropped EXE 1 IoCs

pid	Process
2944	zimfrwc.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\zimfrwc.exe	NEAS.21b205161000e14e04409b668273dd50.exe
File created	C:\PROGRA~3\Mozilla\pjqvbbf.dll	zimfrwc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 2944	2424	taskeng.exe	28
PID 2424 wrote to memory of 2944	2424	taskeng.exe	28
PID 2424 wrote to memory of 2944	2424	taskeng.exe	28
PID 2424 wrote to memory of 2944	2424	taskeng.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.21b205161000e14e04409b668273dd50.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.21b205161000e14e04409b668273dd50.exe"
1⤵
- Drops file in Program Files directory
PID:1748

C:\Windows\system32\taskeng.exe
taskeng.exe {C6FC3AD4-D120-4C9C-9E4F-A2E2E8DA160F} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2424
- C:\PROGRA~3\Mozilla\zimfrwc.exe
  C:\PROGRA~3\Mozilla\zimfrwc.exe -gtjzibe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:2944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\PROGRA~3\Mozilla\zimfrwc.exe

Filesize
149KB

MD5
d6216b399dbfa31171c646fe1cdae47e

SHA1
1dee26b8fac6003ff5c56242efaadeadce052ac0

SHA256
4b6d0a75829e6ed801573681f77c529a19401ecd294161353f7224c3d0d3223d

SHA512
5070f1d8a169ad4b0cf1280eccbb42fe62c454d47feeeb5d26de26b4ac2bb65f69bf48165a2a794084fa3c20e7b1468fe90d391815df39ed8f50fe3f2200465e

Download Submit
C:\PROGRA~3\Mozilla\zimfrwc.exe

Filesize
149KB

MD5
d6216b399dbfa31171c646fe1cdae47e

SHA1
1dee26b8fac6003ff5c56242efaadeadce052ac0

SHA256
4b6d0a75829e6ed801573681f77c529a19401ecd294161353f7224c3d0d3223d

SHA512
5070f1d8a169ad4b0cf1280eccbb42fe62c454d47feeeb5d26de26b4ac2bb65f69bf48165a2a794084fa3c20e7b1468fe90d391815df39ed8f50fe3f2200465e

Download Submit
memory/1748-0-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1748-1-0x0000000000220000-0x000000000027B000-memory.dmp

Filesize
364KB

Download
memory/1748-7-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2944-10-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2944-11-0x0000000000880000-0x00000000008DB000-memory.dmp

Filesize
364KB

Download
memory/2944-17-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download